The Brazilian was a surprise omission from the Bournemouth side at Crystal Palace last weekend through injury, but Iraola said it was just a small issue.
He has confirmed the striker will not be involved again on Sunday when Forest visit, but he hopes he will be back for the trip to Manchester City the following weekend.
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Giving an update on the squad and team news, Iraola said: “From the ones that were outside the other day, I think Evanilson is going to be definitely out.
“He's not going to be able to perform. Brooksy has been training with us last two days so I hope he's available, so we will win David Brooks.
“We will recover Julio [Soler], because he was with the under 20s of Argentina and after playing the final he came during the week.
“Also we had the good news of Enes [Unal] playing with the development squad. He played 45 minutes, he is training fully.
“So also I think it’s good he continues this process and I don't think we have more news.”
Giving more detail on the time line for Evanilson’s return, Iraola said: “He's not far, but he's not ready for Sunday.
“I hope he's ready for the next one. But it's like the Brooksy one. I think they were similar in different places.
“Brooksy, I hope he arrives. We still have tomorrow, but he's looking towards he's going to be available.
“And Eva, I think it's not going to be for this one. I hope he could play next one, but I'm not sure.”